Finding the Fourth Proportional to 325,323.29, 487,274.19 and 135,207.23
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Solution
The fourth proportional to 325,323.29, 487,274.19 and 135,207.23 is: 202,515.45
Step by Step Solution
- Step 1: Write the proportion equation
325,323.29 : 487,274.19 = 135,207.23 : x - Step 2: Convert to fraction form
325,323.29/487,274.19 = 135,207.23/x - Step 3: Cross multiply
325,323.29x = 487,274.19 × 135,207.23 - Step 4: Simplify right side
325,323.29x = 65,882,993,480.39 - Step 5: Solve for x
x = 65,882,993,480.39/325,323.29 - Step 6: Final answer
x = 202,515.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.